import { PrismaClient, Execution } from '@prisma/client'
import { logger } from './logger'

const prisma = new PrismaClient()

// 异步执行工作流
export const executeWorkflowAsync = async (execution: Execution) => {
    try {
        // 更新执行状态为运行中
        await prisma.execution.update({
            where: { id: execution.id },
            data: { status: 'running' }
        })

        // 获取工作流配置
        const workflow = await prisma.workflow.findUnique({
            where: { id: execution.workflowId }
        })

        if (!workflow) {
            throw new Error('工作流不存在')
        }

        // 解析参数和工作流配置
        const params = JSON.parse(execution.params)
        const workflowConfig = JSON.parse(workflow.workflow)

        // TODO: 实际的工作流执行逻辑
        // 这里模拟一个异步执行过程
        await new Promise(resolve => setTimeout(resolve, 2000))

        // 模拟执行结果
        const result = {
            images: ['https://example.com/result.png'],
            data: { success: true }
        }

        // 更新执行状态为完成
        await prisma.execution.update({
            where: { id: execution.id },
            data: {
                status: 'completed',
                result: JSON.stringify(result),
                endTime: new Date()
            }
        })

        return result
    } catch (error) {
        logger.error('Workflow execution failed:', error)

        // 更新执行状态为失败
        await prisma.execution.update({
            where: { id: execution.id },
            data: {
                status: 'failed',
                error: error instanceof Error ? error.message : '执行失败',
                endTime: new Date()
            }
        })

        throw error
    }
} 